midterm lab

Question 1

cell wall

Answer 1

support and protect

Question 2

chloroplast

Answer 2

performs photosynthesis

Question 3

chromoplast

Answer 3

contains pigments that give coloration to fruits and flowers

Question 4

chromosomes/chromatin

Answer 4

contains the genetic code, composed of DNA molecules that control cell processes

Question 5

centrioles

Answer 5

form micro tube system, involved in cellular reproduction

Question 6

cytoplasm

Answer 6

suspends organelles and fills cell space

Question 7

endoplasmic reticulum

Answer 7

forms channels for the movement of materials throughout cell, produces golgi apparatus

Question 8

golgi apparatus

Answer 8

stores, modifies, and packages materials for export from cell, produces lysosomes

Question 9

lecuoplasts

Answer 9

sites of starch storage ( in animals )

Question 10

lysosomes

Answer 10

contain strong digestive enzymes to break down materials

Question 11

micro filaments

Answer 11

provide support for the cytoplasm

Question 12

microtubules

Answer 12

provide support for cytoplasm, forms spindle during mitosis, form flagella and cilia

Question 13

mitochondria

Answer 13

site of cellular respiration which releases energy as ATP

Question 14

nuclear envelope

Answer 14

controls passage of material into and out of nucleus

Question 15

nucleolus

Answer 15

assembles ribosomes

Question 16

nucleus

Answer 16

control center of cell because it contains DNA

Question 17

plasma cell membrane

Answer 17

controls passage of material into and out of cell

Question 18

ribosomes

Answer 18

protein synthesis

Question 19

vesicles/vacuoles

Answer 19

contain a variety of substances, storage

Question 20

ocular eye piece

Answer 20

magnifies ten times, lens you look through

Question 21

body tube

Answer 21

holds objective lens and ocular for proper viewing

Question 22

arm neck

Answer 22

supports body tube

Question 23

revolving nosepiece

Answer 23

permits rotating of objectives to change magnification level

Question 24

mechanical stage

Answer 24

holds slide and permits movement of slide

Question 25

mechanical stage knobs

Answer 25

directs slide up down or across stage

Question 26

stage clips

Answer 26

holds slide in position

Question 27

stage

Answer 27

holds slide flat for viewing

Question 28

iris diaphragm and lever

Answer 28

regulates amount of light passing thru specimen

Question 29

condenser

Answer 29

concentrates and directs light through specimen

Question 30

coarse adjustment knob

Answer 30

preliminary and cross focusing on low power

Question 31

fine adjustment knob

Answer 31

moves stage minutely for precise, refined final focusing

Question 32

light intensity lever

Answer 32

regulates amount of light available

Question 33

base

Answer 33

support for microscope

Question 34

on off switch

Answer 34

turns on or off the light source

Question 35

metric system

Answer 35

meter, gram, liter

Question 38

meristematic tissue

Answer 38

growth by mitosis or cell division

Question 39

epidermal

Answer 39

protection against injury and water loss

Question 40

parenchyma

Answer 40

photosynthesis and storage

Question 41

collenchyma

Answer 41

support and storage

Question 42

sclerenchyma

Answer 42

support

Question 43

vascular

Answer 43

transport of materials

Question 44

xylem

Answer 44

transport of water and minerals

Question 45

phloem

Answer 45

transport of nutrient materials ( glucose)